
[;1m  get_keys()[0m

[;;4mSince[0m:
  OTP 18.0

  Returns a list of all keys present in the process dictionary. The
  items in the returned list can be in any order.

  For example:

    > put(dog, {animal,1}),
    put(cow, {animal,2}),
    put(lamb, {animal,3}),
    get_keys().
    [dog,cow,lamb]
